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Time-lagged lichen ...
Time-lagged lichen extinction in retained buffer strips 16.5 years after clear-cutting
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- Johansson, Victor (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Stockholms universitet,Institutionen för ekologi, miljö och botanik,Department of Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden; Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden,Stockholm University
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- Wikström, Carl-Johan (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,CJEW Ecology and Environmental Consultancy, Åkervägen 30, SE-943 33 Öjebyn, Sweden,Landscape Ecology Group, Department of Ecology and Enviromental Science, Uminova Science Park, Umeå University, Umeå; CJEW Ecology and Environmental Consultancy, Öjebyn, Sweden
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- Hylander, Kristoffer (författare)
- Stockholms universitet,Institutionen för ekologi, miljö och botanik,Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
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(creator_code:org_t)
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- Elsevier BV, 2018
- 2018
- Engelska.
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Ingår i: Biological Conservation. - : Elsevier BV. - 0006-3207 .- 1873-2917. ; 225, s. 53-65
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Tree retention on clear-cuts is a relatively new measure in forestry aimed at lifeboating' forest species during young seral periods. However, the effectiveness of tree retention for maintaining biodiversity for more than a few years is still poorly known. We investigated lichen persistence in retained buffer strips along small streams after clear-cutting of the surrounding forest, and compared with clear-cuts and un-cut references. Specifically, we compared richness and frequency of red-listed/signal species, calicioids and pendulous species before clear cutting with 2.5 years and 16.5 years after clear-cutting, and also analysed their colonization-extinction dynamics over time. The results show that the richness of red-listed/signal species and calicioids in buffer strips had declined significantly after 16.5 years, but not after 2.5 years, while frequency displayed a significant difference already after 2.5 years. The richness of pendulous lichens remained relatively stable over time, but the frequency had declined significantly after 16.5 years. In clear-cuts all groups declined more than in buffer-strips (-2-3.5 times more) and the main decline had occurred already after 2.5 years. References remained stable over time. The colonization-extinctions dynamics reflected the richness declines, with high early extinction in clear cuts and lower but late extinction in buffer-strips, and low (re)colonization. We conclude that retained buffer strips cannot maintain lichen richness over time due to time-lagged extinction, but they are clearly more effective than clear-cuts. Wider buffer strips could potentially reduce tree mortality and decrease lichen extinction. The large amounts of standing dead wood makes buffer strips potential future colonization targets.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- Boreal forest
- Calicloid
- Colonization
- Extinction debt
- Pendulous
- Tree retention
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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